Home / 34,485.04-47,574.36-21,730.48

Finding the Fourth Proportional to 34,485.04, 47,574.36 and 21,730.48

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Solution

The fourth proportional to 34,485.04, 47,574.36 and 21,730.48 is: 29,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.04 : 47,574.36 = 21,730.48 : x
  2. Step 2: Convert to fraction form
    34,485.04/47,574.36 = 21,730.48/x
  3. Step 3: Cross multiply
    34,485.04x = 47,574.36 × 21,730.48
  4. Step 4: Simplify right side
    34,485.04x = 1,033,813,678.49
  5. Step 5: Solve for x
    x = 1,033,813,678.49/34,485.04
  6. Step 6: Final answer
    x = 29,978.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.